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CVE-2019-10190

nvd nist
Published: Jul 16, 2019Modified: Nov 21, 2024

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Exploitability: 3.9 / Impact: 3.6
Source: NVD

Description

A vulnerability was discovered in DNS resolver component of knot resolver through version 3.2.0 before 4.1.0 which allows remote attackers to bypass DNSSEC validation for non-existence answer. NXDOMAIN answer would get passed through to the client even if its DNSSEC validation failed, instead of sending a SERVFAIL packet. Caching is not affected by this particular bug but see CVE-2019-10191.

Affected (4)

Nic
1 product
Knot Resolver
Fedoraproject
1 product
Fedora
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Nic
Knot Resolver
Up to 3.2.0
Knot Resolver
From 4.0.0 to 4.1.0
Configuration B
2 vulnerable
Vulnerable SoftwareAffected Versions
Fedoraproject
Fedora
Version 29
Fedora
Version 30

Related CWEs

CWE-20
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References (10)

Source: secalert@redhat.com
Issue TrackingThird Party Advisory
Source: secalert@redhat.com
Source: secalert@redhat.com
Source: secalert@redhat.com
Source: secalert@redhat.com
Release NotesVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Release NotesVendor Advisory

Timeline

No history available yet.